Patents by Inventor Kun-Chen Chen

Kun-Chen Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6047841
    Abstract: An assembly type toolbox frame that is incorporated with rear board, bottom casing and front frame as an integral casing can be placed a tray on the top when it is tumbled and folded in vertical state, it can be assembled side boards at both sides and inserted drawers to form a tool cabinet, if it is further fitted a top cover on the top of tool cabinet, it becomes a toolbox that can be locked via latch device. Furthermore, the tray and drawers inside can be connected in series by a pin in order to prevent from being pulled out; under this configuration, each element is assembled by its concave and convex match kit and inlaid structure which form a compound coupling relation with each other.
    Type: Grant
    Filed: December 22, 1998
    Date of Patent: April 11, 2000
    Inventor: Kun Chen Chen
  • Patent number: 6041505
    Abstract: An illuminating knife device with two outer housings joined together to form an opening and a lighting hole at one end to construct a knife kit. A control mechanism associated with a blade is positioned inside the knife kit and is selectively movable to extend the blade out of the outer housings or to retract the blade back into the interior of the outer housing via the opening. A lighting device is installed in the other outer housings next to the opening for the blade, that can emit light to a desired range.
    Type: Grant
    Filed: February 12, 1999
    Date of Patent: March 28, 2000
    Inventor: Kun Chen Chen
  • Patent number: 4951812
    Abstract: A tool case, which includes a plurality of pairs of casings respectively connected in series by means of connecting strip portions therebetween, permitting two casings to relatively turn outward with the adjacent two casings capable of being relatively turned inward so that the intermediate casings can be completely received in a space which is defined by the first and the last casings when the first and the last casings are relatively turned inward to close up together. The casings comprises a variety of recess holes for receiving a variety of hand tools. The first and the last casings have hand-hold portions which can be incorporated together for the holding of the hand when the casings are relatively closed up together.
    Type: Grant
    Filed: January 12, 1990
    Date of Patent: August 28, 1990
    Inventor: Kun-Chen Chen
  • Patent number: D408281
    Type: Grant
    Filed: March 3, 1998
    Date of Patent: April 20, 1999
    Inventor: Kun Chen Chen